A boy is trying to start a fire by focusing Sunlight on a piece of paper using an equiconvex lens of focal length 10 cm. The diameter of the Sun is 1.39 × 10⁹ m and its mean distance from the earth is

Question

A boy is trying to start a fire by focusing Sunlight on a piece of paper using an equiconvex lens of focal length 10 cm. The diameter of the Sun is 1.39 × 10⁹ m and its mean distance from the earth is 1.5 × 10¹¹ m. What is the diameter of the Sun’s image on the paper ?

A

6.5 × 10⁻⁵ m

B

12.4 × 10⁻⁴ m

C

9.2 × 10⁻⁴ m

D

6.5 × 10⁻⁴ m

Accepted Answer

9.2 × 10⁻⁴ m

Answer

6.5 × 10⁻⁵ m

Answer

12.4 × 10⁻⁴ m

Answer

6.5 × 10⁻⁴ m

AIPMT PRELIMS 2008 Physics Lenses MCQ Question

Correct Answer

Detailed Explanation

Related Questions

More from Optics

More from 2008

Explore More Questions